Polyesters having improved impact strength

Details Polyesters having improved impact strength Polyesters having improved impact strength

1988-10-26

1990-08-14

Short, Patricia

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 64, 525 68, 525263, 525310, C08F25506, C08F25502

Patent

active

049488422

ABSTRACT:
The improvement of toughness and impact strength of polyester resins is achieved by blending 60-90 parts by weight of the polyester with 10-40 parts by weight of an ethylene, propylene, diene rubber, having 2-20 unsaturated C.dbd.C linkages per 1000 carbon atoms and which has been grafted with glycidyl methacrylate to a level of 1-10 percent by weight.

REFERENCES:
patent: 3868433 (1975-02-01), Bartz
patent: 3886227 (1975-05-01), Van Brederode
patent: 3953541 (1976-04-01), Fuji
patent: 4026967 (1977-05-01), Flexman
patent: 4172859 (1979-10-01), Epstein

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